TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 5–19 NOTE • Perform step 5 for the M185 cannon assembly. • Perform step 6 for the M284 cannon assembly with plunger assembly 11580174. • Perform step 7 for the M284 cannon assembly with plunger assembly 11580469. 5 Install plunger assembly (7) and secure with two new lockwashers (6) and two cap screws (5). 6 Rotate plunger assembly (10) to release from cam plate (12). Be sure plunger assembly tip seats in narrow slot of nut (8). 7 Rotate pin (13) from position B to position A to seat plunger assembly (14) tip in narrow slot of nut (8). 8 Depress detent (3) with punch. 9 Rotate breechblock (1) to UNLOCKED position. 10 Close breechblock (1), using one mechanic to move operating handle (2) to CLOSED position and the other to support the breechblock. 1 3 2 LOCK UNLOCK 10 M284 CANNON CONFIGURATION 8 Position A Position B Position C “Pin” 13 14 PLUNGER ASSEMBLY 11580174 PLUNGER ASSEMBLY 11580469 M284 CANNON CONFIGURATION 7 12 PLUNGER ASSEMBLY M185 CANNON CONFIGURATION 6 5